MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Cancer cluster
A greater-than-expected number of cancer cases that occurs within a group of people in a geographic area over a period of time. The expected number of cancer cases is calculated and compared to the observed number of cancer cases. A cancer…
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Show more- Nucleocapsid The genome + the protein coat of a virus. The nucleic acid (RNA or DNA) of the virus is its genome. The…
- ENGERIX-B A vaccine against hepatitis B (hep B) to stimulate the body's immune system to produce antibodies against the…
- Cadmium A metallic element whose salts are toxic and cause cancer. Cadmium and cadmium compounds were upgraded in…
- Transverse fracture A fracture in which the break is across the bone, at a right angle to the long axis of the bone. NTER>
- Neo- (prefix) Prefix meaning new. From the Greek 'neos', new, young, fresh, recent. Examples of terms starting with 'neo-'…
- Node, sinus The sinus node is one of the major elements in the cardiac conduction system, the system that controls the…
- Nutrigenomics The study of how different foods may interact with specific genes to increase the risk of common chronic…
- Gram-negative Gram-negative bacteria lose the crystal violet stain (and take the color of the red counterstain) in Gram's…
- Cleidocranial dysostosis >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Gastric atrophy A condition in which the stomach muscles shrink and become weak. It results in a lack of digestive juices…
- Kyphoplasty A procedure similar to vertebroplasty, but with the intent of expanding the collapsedvertebra. A surgical…
- Gallium A rare metal with the atomic weight of 69. There are several isotopic forms of gallium that differ from it in…